Best Free Alternatives to Diagramly in 2026

Ayoa is an AI-powered visual workspace combining mind maps, whiteboards, and task boards for planning and productivity.

Free open-source diagramming tool for flowcharts, UML, ER, network diagrams, and privacy-first browser editing.

FigJam is Figma's collaborative online whiteboard for brainstorming, workshops, diagrams, and team planning in real time.

AI innovation workspace for whiteboarding, diagrams, docs, slides, tables, timelines, and collaborative planning across teams.

AI-powered mind mapping and flowchart tool for turning prompts, files, images, and notes into editable visual diagrams.

Visual planning workspace for creative projects, moodboards, research, briefs, and idea organization on flexible boards.

Kinopio is a spatial note-taking and visual thinking canvas for connecting ideas, research, moodboards, and plans.

Simple collaborative mind map and flowchart tool for real-time idea mapping, process diagrams, and fast visual planning.

Simple browser-based mind mapping tool for brainstorming, note organization, collaboration, and presenting ideas visually.

Open-source collaborative whiteboard for sketching diagrams, wireframes, flowcharts, and notes in a clean hand-drawn style.

Collaborative mind mapping platform with AI mind maps, outline mode, presentation mode, and export options for planning and brainstorming.

Miro AI adds agents, summaries, and automated visual workflows to Miro's collaborative visual workspace for teams.